David Shukman is environment and science correspondent for BBC News, with particular responsibility for the BBC's Six O'Clock and Ten O'Clock Television News bulletins.

His previous role as world affairs correspondent involved providing regular studio analysis of the Iraq crisis and the United States-led war against terrorism.

In a broadcasting career that began in 1985, David's assignments have ranged from reporting from East Berlin during the fall of the Wall, to securing the first filming of Soviet nuclear weapons, to gaining rare access when covering war in Angola.

He has reported on the conflicts in Northern Ireland, the Gulf, Bosnia, Sri Lanka, Israel and East Timor.

Between 2001 and 2002 David reported on the plight of war victims in Sierra Leone, the famine in Tajikistan and the Pentagon's future plans to fight al-Qaeda.

His reports were cited as part of the Royal Television Society award to BBC News for its coverage of the Kosovo conflict in 1999.